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Evaluation of Dust Sources and Control Techniques for Conventional Mining, Vol. II--guidelines.

Authors

Rodgers-SJ

Source

NTIS: PB/85-153336 :70 pages

Link

NIOSHTIC No.

10004420

Abstract

This report presents guidelines on methods of dust control in conventional coal mining operations. The normal mining cycle and equipment used in a room-and-pillar conventional section are described. Main ventilation, section ventilation, and face ventilation are discussed in detail. Proper installation of line brattice, maintenance of proper airflows at the face, and split ventilation are stressed. The effects of maintaining the end-of-the- line brattice near the face are described. The advantages and disadvantages of blowing and exhausting face ventilation are presented, and the use of water sprays on cutter bars and loading machines is described. The design of a nonclogging water spray system developed under a Bureau of Mines contract is presented. Other methods of reducing dust exposure are discussed and include alternative procedures for shot firing and administrative controls.